Speaker building & understandable audio engineering

HiFi.
Two ways.
No theatre.

LNGR SPKR documents speaker design, subwoofer projects and the engineering behind them: enclosure alignments, sensitivity, room modes, DSP, passive radiators and practical tools.

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LNGR SPKR / DEVELOPMENT
Concept illustration
Not a product photo

Projects / status

The LNGR project family.

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LNGR 1-2-CXBUILD · P1

Active smart speaker

Current P1 hardware and enclosure development.

Entwurf nach Vorgabe von Flo

LNGR SUB-12.4SIMULATION · P2

4×12-inch subwoofer

350 L net, CAD and simulation.

Current projects

From simulation to sawdust.

Infinite-baffle wall with four 15-inch drivers

Home cinema / completed

4×15-inch infinite baffle

A real build using four GRS 15PF-8 drivers and the adjacent rear room as the back volume.

Entwurf nach Vorgabe von Flo

Home cinema / P2 planning

4× GRS 12SW-4HE · 350 litres

The current replacement for the earlier 18-inch concept, with CAD, simulation and cut-list data.

Stereo / CAD v0.2

TCP115 / TEXTUS active MTM

A narrow active loudspeaker with two TCP115-4 woofers and two front passive radiators.

NEW · INTERACTIVE LEARNING

From your first volt to your own crossover.

29 topics, available in German and English: components, filters, loudspeaker principles, power supplies and measurement. Start without prior knowledge and open the technical details as you progress.

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LNGR · ONLINE WORKSHOPS

Apply what you know. Design loudspeakers.

Interactive self-study with examples, exercises and trackable local progress.

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HiFi.Two ways.No theatre.